CN202746808U - Pipeline movable joint - Google Patents

Pipeline movable joint Download PDF

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Publication number
CN202746808U
CN202746808U CN 201220450438 CN201220450438U CN202746808U CN 202746808 U CN202746808 U CN 202746808U CN 201220450438 CN201220450438 CN 201220450438 CN 201220450438 U CN201220450438 U CN 201220450438U CN 202746808 U CN202746808 U CN 202746808U
Authority
CN
China
Prior art keywords
joint
internal thread
pipeline
connecting sleeve
thread
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201220450438
Other languages
Chinese (zh)
Inventor
邵显安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG YUAN'AN FLUID EQUIPMENT CO Ltd
Original Assignee
ZHEJIANG YUAN'AN FLUID EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHEJIANG YUAN'AN FLUID EQUIPMENT CO Ltd filed Critical ZHEJIANG YUAN'AN FLUID EQUIPMENT CO Ltd
Priority to CN 201220450438 priority Critical patent/CN202746808U/en
Application granted granted Critical
Publication of CN202746808U publication Critical patent/CN202746808U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a pipeline movable joint which comprises a connecting sleeve (3), a first joint (1) and a second joint (2), wherein an internal thread (4) is formed on the inner circumference surface of the connecting sleeve; one end part of the internal thread (4) is inward provided with a ring flange (5), and the outer wall of the second joint is provided with an external thread (9) which is in screwed fit with the internal thread; one end of the second joint is provided with a footpace-shaped groove (13), the bottom of the footpace-shaped groove (13) is provided with an annular groove (7), and the annular groove is internally provided with a sealing element (8); and one end, which is matched with the second joint, on the first joint is sleeved in the footpace-shaped groove, the external thread and the internal thread are in screwed fit so as to be screwed down to cause the first joint to press the sealing element, and the ring flange presses a ring boss so as to limit the first joint. One end, which is matched with the second joint, of the first joint is sleeved in the footpace-shaped groove of the second joint, the first joint can not do radial movement, and the abrasion of the sealing element is avoided and the good and stable sealing is realized.

Description

Pipeline swing adapter
Technical field
The utility model relates to a kind of pipeline swing adapter, belongs to the pipe joint field.
Background technique
In industrial production or the real life, the common employing union that interconnects of different pipelines connects.Union commonly used comprises nut, plain adapter and inipple etc., is provided with Sealing between described plain adapter and the described inipple.
In the prior art, Chinese patent literature CN 202182268U discloses a kind of union, this union comprises first hollow connecting body, second hollow connecting body and connecting sleeve, is provided with seal groove on the end face of second hollow connecting body, in the described seal groove seal ring is installed.When using installation, need with pipe fitting to be connected respectively with first hollow link, the welding of second hollow link, insert the first hollow link after the welding in the baffle ring of connecting sleeve by the convex tendon on its outer wall again, then the second hollow link that welding is good inserts in the connecting sleeve, and the rotation of the screw-internal thread fit by the outside thread on the second hollow link and connecting sleeve inside tightens and makes first hollow connecting body crush seal circle, thereby realizes the integrated connection of first hollow connecting body, second hollow connecting body and connecting sleeve.
But, in the above-mentioned union, convex tendon on the first hollow connecting body outer wall only limits the circumferential rotation of first hollow connecting body, moving radially without any direct device between itself and the connecting sleeve limits, and only being indirect utilization second hollow link and seal ring realizes indirectly radially fixing to its to its extruding.So above-mentioned union is after reality is used a period of time, first hollow connecting body is easy to move radially with respect to the connecting sleeve generation, and this moving radially must produce wearing and tearing to seal ring, thereby causes the seal failure of seal ring.
The model utility content
Technical problem to be solved in the utility model is that the connecting head of union in the prior art moves radially with respect to connecting sleeve and causes ring wear, and then cause the technical problem of union seal failure, can realize good and the pipeline swing adapter of stabilized seal thereby provide a kind of.
To achieve these goals, the utility model provides a kind of pipeline swing adapter, comprises connecting sleeve, the first joint and the second joint, wherein, is formed with internal thread on the inner peripheral surface of described connecting sleeve, and an end radially inwardly has annular flange flange;
Be formed with on the outer wall of described the second joint and the friction tight outside thread of described internal thread rotation;
One end of described the second joint has the trapezoidal shape groove, and the bottom of described trapezoidal shape groove is provided with annular groove, is provided with Sealing in the described annular groove;
The end that described the first joint matches with described the second joint is socketed in the described trapezoidal shape groove, described outside thread and described screw-internal thread fit screw and make described the first joint compress described Sealing, and described annular flange flange compresses described annular boss and carries out spacing to described the first joint.
In the above-mentioned pipeline swing adapter, described internal thread and described outside thread are the round thread that cooperatively interacts.
In the above-mentioned pipeline swing adapter, be provided with the positioning part that contacts with the pipeline head on described the first joint inner peripheral surface.
In the above-mentioned pipeline swing adapter, be provided with the limited part that contacts with the pipeline head on described the second joint inner peripheral surface.
In the above-mentioned pipeline swing adapter, described the first joint and described the second joint are formed with away from an end of described connecting sleeve separately and are connected internal thread or connect outside thread.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) pipeline swing adapter of the present utility model, the end that its first joint matches with the second joint is socketed in the trapezoidal shape groove of the second joint, tighten the second joint and make itself and the first joint close contact in the trapezoidal shape groove, the first joint can not be moved radially, form the second sealing at the first joint and the second joint close contact place simultaneously, thereby can avoid the wearing and tearing of Sealing and realize good stable sealing.
(2) pipeline swing adapter of the present utility model, the screw thread that its second joint is connected with connecting sleeve adopts the round thread that cooperatively interacts, and further improves the sealing of union and prevents that external impurities from entering connecting sleeve.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is the structural representation that the second joint of the utility model pipeline swing adapter does not screw state.
Fig. 2 is the structural representation that the second joint of the utility model pipeline swing adapter screws state.
Description of reference numerals
1-the first joint, 2-the second joint, 3-connecting sleeve, 4-internal thread, 5-annular flange flange, 6-annular boss, 7-annular groove, 8-Sealing, 9-outside thread, 10-surface of contact, 11-positioning part, 12-limited part.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
Pipeline swing adapter described in the utility model, as shown in Figure 1, it comprises connecting sleeve 3, the first joint 1 and the second joint 2.In the present embodiment, described connecting sleeve 3 is cylindrical shape, is formed with the internal thread 4 that connects described the second joint 2 on its inner peripheral surface, and an end of described connecting sleeve 3 radially inwardly has annular flange flange 5, and 5 pairs of described the first joints 1 of annular flange flange are spacing.
The described internal thread 4 that is formed with on the outer wall of described the second joint 2 with described connecting sleeve 3 revolves friction tight outside thread 9.One end of described the second joint 2 has trapezoidal shape groove 13, and the bottom of described trapezoidal shape groove 13 is provided with annular groove 7, is provided with Sealing 8 in the described annular groove 7.
Form the annular boss 6 that contacts with the described annular flange flange 5 of described connecting sleeve 3 on the outer wall of described the first joint 1.The end that described the first joint 1 matches with described the second joint 2 has the shape that cooperatively interacts with described trapezoidal shape groove 13 and can be socketed in the described trapezoidal shape groove 13, and it is interior and contact with the inwall of described trapezoidal shape groove 13 that socket described herein refers to that a end that described the first joint 1 matches with described the second joint 2 is nested into described trapezoidal shape groove 13.
As depicted in figs. 1 and 2, described the first joint 1 is socketed in the described connecting sleeve 3, makes the described annular flange flange 5 of the described connecting sleeve 3 of described annular boss 6 contacts of described the first joint 1; The described outside thread 9 of described the second joint 2 cooperates with the described internal thread 4 of described connecting sleeve 3, rotates described the second joint 2 and makes described the first joint 1 be socketed in described trapezoidal shape groove 13 and compress described Sealing 8; Continue to screw the surface of contact 10 that described the second joint 2 makes surface of contact 10 contacts of described the second joint 2 and pushes described the first joint 1, so that described the first joint 1 closely is socketed in the described trapezoidal shape groove 13 of described the second joint 2, thereby realization is radially spacing to described the first joint 1, simultaneously, because described the first joint 1 of described the second joint 2 extruding, so that the described annular boss 6 of described the first joint 1 compresses the described annular flange flange 5 of described connecting sleeve 3, realize the axial limiting to described the first joint.
In the prior art, connecting head adopts v thread to be connected sealing with connecting sleeve usually, and still, v thread has that the dead angle does not meet sanitary standard and sealing effect is not good.Therefore, in the present embodiment, in order further to improve the sealability of described pipeline swing adapter and to meet sanitary standard, the described outside thread 9 of described the second joint 2 and the described internal thread 4 of described connecting sleeve 3 are set adopt the round thread that cooperatively interacts.
As preferred embodiment, on the basis of above-described embodiment, for extraneous pipeline more suitably is connected with described pipeline swing adapter, in the present embodiment, in the positioning part 11 that the setting of the inner peripheral surface of described the first joint 1 contacts with described pipeline head, the limited part 12 that contacts with described pipeline head is set on the inner peripheral surface of described the second joint 2, thereby is located when making described pipeline insert described the first joint 1 or the second joint 2, avoid pegging graft excessive.
Pipeline swing adapter described in the utility model in use, described the first joint 1 be connected the mode that joint 2 is connected with extraneous described pipeline and can select according to the construction needs, mode one, pipeline swing adapter adopts socket weld to be connected with extraneous pipeline, mode two, pipeline swing adapter adopts with extraneous pipeline and is threaded, be that described the first joint 1 is connected internal thread or connects outside thread away from being formed with of an end of described connecting sleeve 3 separately with described the second joint 2, thereby satisfy the connection requirement of some special pipelines or special occasions.
Obviously, above-described embodiment only is for example clearly is described, and is not the restriction to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all mode of executions exhaustive.And the apparent variation of being extended out thus or change still are among the protection domain of the present utility model.

Claims (5)

1. a pipeline swing adapter comprises connecting sleeve (3), the first joint (1) and the second joint (2), wherein, is formed with internal thread (4) on the inner peripheral surface of described connecting sleeve (3), and an end radially inwardly has annular flange flange (5);
Be formed with on the outer wall of described the second joint (2) with described internal thread (4) and revolve friction tight outside thread (9);
It is characterized in that,
One end of described the second joint (2) has trapezoidal shape groove (13), and the bottom of described trapezoidal shape groove (13) is provided with annular groove (7), is provided with Sealing (8) in the described annular groove (7);
The end that described the first joint (1) matches with described the second joint (2) is socketed in the described trapezoidal shape groove (13), described outside thread (9) cooperates with described internal thread (4) to screw makes described the first joint (1) compress described Sealing (8), and described annular flange flange (5) compresses described annular boss (6) and carries out spacing to described the first joint (1).
2. pipeline swing adapter according to claim 1 is characterized in that, described internal thread (4) and the round thread of described outside thread (9) for cooperatively interacting.
3. pipeline swing adapter according to claim 1 is characterized in that, is provided with the positioning part (11) that contacts with the pipeline head on described the first joint (1) inner peripheral surface.
4. pipeline swing adapter according to claim 1 is characterized in that, is provided with the limited part (12) that contacts with the pipeline head on described the second joint (2) inner peripheral surface.
5. pipeline swing adapter according to claim 1 is characterized in that, described the first joint (1) and described the second joint (2) are formed with away from an end of described connecting sleeve (3) separately and are connected internal thread or connect outside thread.
CN 201220450438 2012-09-05 2012-09-05 Pipeline movable joint Expired - Lifetime CN202746808U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220450438 CN202746808U (en) 2012-09-05 2012-09-05 Pipeline movable joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220450438 CN202746808U (en) 2012-09-05 2012-09-05 Pipeline movable joint

Publications (1)

Publication Number Publication Date
CN202746808U true CN202746808U (en) 2013-02-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220450438 Expired - Lifetime CN202746808U (en) 2012-09-05 2012-09-05 Pipeline movable joint

Country Status (1)

Country Link
CN (1) CN202746808U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108223933A (en) * 2018-03-19 2018-06-29 尹财富 Pipe couplings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108223933A (en) * 2018-03-19 2018-06-29 尹财富 Pipe couplings

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CX01 Expiry of patent term

Granted publication date: 20130220